import pytest

from datasets.splits import SplitDict, SplitInfo
from datasets.utils.py_utils import asdict




@pytest.mark.parametrize(
    "split_dict",     [
        SplitDict(),
        SplitDict({"train": SplitInfo(name="train",     num_bytes=1337,     num_examples=42,     dataset_name="my_dataset"				)}				),
        SplitDict({"train": SplitInfo(name="train",     num_bytes=1337,     num_examples=42				)}				),
        SplitDict({"train": SplitInfo()}				),
    ],     )
def 	_UpperCamelCase (      snake_case__				)    -> Union[str, Any]:
							__UpperCAmelCase    :      Optional[int]       = split_dict._to_yaml_list()
							assert len(a_				) == len(a_				)
							__UpperCAmelCase    :      str       = SplitDict._from_yaml_list(a_				)
							for split_name, split_info in split_dict.items():
														# dataset_name field is deprecated, and is therefore not part of the YAML dump
														__UpperCAmelCase    :      Optional[int]       = None
														# the split name of split_dict takes over the name of the split info object
														__UpperCAmelCase    :      Any       = split_name
							assert split_dict == reloaded







@pytest.mark.parametrize(
    "split_info",     [SplitInfo(), SplitInfo(dataset_name=a_				), SplitInfo(dataset_name="my_dataset"				)]				)
def 	_UpperCamelCase (      snake_case__				)    -> List[Any]:
							# For backward compatibility, we need asdict(split_dict) to return split info dictrionaries with the "dataset_name"
							# field even if it's deprecated. This way old versionso of `datasets` can still reload dataset_infos.json files
							__UpperCAmelCase    :      Union[str, Any]       = asdict(SplitDict({"train": split_info}				)				)
							assert "dataset_name" in split_dict_asdict["train"]
							assert split_dict_asdict["train"]["dataset_name"] == split_info.dataset_name










'''simple docstring'''


import math


def     SCREAMING_SNAKE_CASE							(   a_						:				float					,       a_						:				float      ):

  if initial_intensity < 0:
    raise ValueError('The value of intensity cannot be negative'      )
    # handling of negative values of initial intensity
  if angle < 0 or angle > 360:
    raise ValueError('In Malus Law, the angle is in the range 0-360 degrees'      )
    # handling of values out of allowed range
  return initial_intensity * (math.cos(math.radians(a_      )      ) ** 2)


if __name__ == "__main__":
  import doctest

  doctest.testmod(name="malus_law")



